Home / 1,100,435.40-1,650,653.10-722,521.80

Finding the Fourth Proportional to 1,100,435.40, 1,650,653.10 and 722,521.80

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Solution

The fourth proportional to 1,100,435.40, 1,650,653.10 and 722,521.80 is: 1,083,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,435.40 : 1,650,653.10 = 722,521.80 : x
  2. Step 2: Convert to fraction form
    1,100,435.40/1,650,653.10 = 722,521.80/x
  3. Step 3: Cross multiply
    1,100,435.40x = 1,650,653.10 × 722,521.80
  4. Step 4: Simplify right side
    1,100,435.40x = 1,192,632,848,987.58
  5. Step 5: Solve for x
    x = 1,192,632,848,987.58/1,100,435.40
  6. Step 6: Final answer
    x = 1,083,782.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.